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The AAPG/Datapages Combined Publications Database
Showing 714 Results. Searched 200,626 documents.
Ecosystem engineering by bioturbating polychaetes in event bed microcosms
Liam G. Herringshaw, Owen A. Sherwood, Duncan McIlroy
PALAIOS
...). Successive waves of muscular contraction and relaxation pass from tail to head, but, as the muscles and parapodium on one side of a body segment always...
2010
Depositional Settings of the Chalk Hills and Glenns Ferry Formations West of Bruneau, Idaho
Larry T. Middleton, Michael L. Porter, Peter G. Kimmel
Rocky Mountain Section (SEPM)
... and sinusoidal laminations in cross-stratified silts. Chalk Hill Formation, Horse Hills area, Idaho (Sec. 17, T7S R6E). Notebook is 18.5 cm (7.3 in). Parallel...
1985
Early molluscan evolution: Evidence from the trace fossil record
Adolf Seilacher, James W. Hagadorn
PALAIOS
... and Heys, 1997). Transverse ´ corrugations and undulations are hypothesized to record the waves of muscular contraction, as in the foot of a modern...
2010
Feeding traces associated with bird tracks from the Lower Cretaceous Haman Formation, Republic of Korea
Amanda R. Falk, Stephen T. Hasiotis, Larry D. Martin
PALAIOS
..., ,1 mm in diameter, sinusoidal surface and shallow subsurface trails. Steinichnus is a shallow subsurface to surface burrow with passive fill...
2010
Structural Geology and Pressure Compartmentalization of Jonah Field, Sublette County, Wyoming
Edward M. Warner
Rocky Mountain Association of Geologists
... to the surface. Segments appear to be imbricated and sinusoidal rather than merely vertical. At the same time, this 3-D program identified a scissors fault...
1998
Complex tetrapod burrows from Middle Triassic red beds of the Argana Basin (western High Atlas, Morocco)
Sebastian Voigt, Jörg W. Schneider, Hafid Saber, Abdelkbir Hminna, Abdelouahed Lagnaoui, Hendrik Klein, Andreas Brosig, Jan Fischer
PALAIOS
... Environment Age Simple entrances; partially spiral and superimposed high frequency sinusoidal tunnels; complex terminal chambers Subhorizontal...
2011
Eurekan Structures of the Ekblaw Lake Area, Ellesmere Island, Canada
Kirk Osadetz
CSPG Special Publications
... of the Geological Society of London, v. 136, p. 705-711. Johnson, A. M. and Honea, E., 1975, Part III, transition from sinusoidal to concentric-like...
1982
Carbonate reticulated ridge structures from the lower Middle Triassic of the Luoping Area, Yunnan, southwestern China: Geobiologic features and implications for exceptional preservation of the Luoping biota
Mao Luo, Zhong-Qiang Chen, Shixue Hu, Qiyue Zhang, Michael J. Benton, Changyong Zhou, Wen Wen, Jin-Yuan Huang
PALAIOS
... microbial mats and physical agents of erosion, deposition, transformation, and deformation. In thin section, such microtextures as sinusoidal structures...
2013
A New Phase Diagram for Combined-Flow Bedforms
Mauricio M. Perillo, James L. Best, Marcelo H. Garcia
Journal of Sedimentary Research (SEPM)
... of Sedimentologists, Special Publication 6, p. 19– 33. Allen, P.A., and Hoffman, P.F., 2005, Extreme winds and waves in the aftermath of a Neoproterozoic...
2014
Experimental Investigation On Self-Channelized Erosive Gravity Currents
Pierre Weill, Eric Lajeunesse, Olivier Devauchelle, François Métiver, Angela Limare, Benoît Chauveau, Dominique Mouazé
Journal of Sedimentary Research (SEPM)
..., McCaffrey, W.D., Peakall, J., and Kneller, B.C., 2010, Submarine channel levee shape and sediment waves from physical experiments: Sedimentary Geology...
2014
Upper and Middle Devonian Ostracodes from the Beaverhill Lake Formation, Alberta, Canada
Peter McGill
CSPG Bulletin
... edge very slightly sinusoidal and paralleled on both valves by an almost imperceptible marginal flange. The anterodorsal margin of the LV of the male...
1963
Wave-Worked Conglomerates — Depositional Processes and Criteria for Recognition
Joanne Bourgeois, Elana L. Leithold
CSPG Special Publications
... and lenticular conglomerates. Breaking waves, surf, rip currents and longshore currents are the major processes that control their deposition...
1984
Facies Analysis, Paleoenvironmental Interpretation, and Diagenetic History of Britt Sandstone (Upper Mississippian) in Portions of Caddo and Canadian Counties, Oklahoma
John Haiduk
Oklahoma City Geological Society
... the classic sinusoidal pattern of folding associated with strike-slip tectonics; they have nearly parallel axes, which intersect the preserved shear plane...
1994
Wave-Dominated Shelves: A Model of Sand-Ridge Formation by Progressive, Infragravity Waves
B. Boczar-Karakiewicz, J. L. Bona
CSPG Special Publications
..., and that they impinge on the shelf essentially as a sinusoidal wave train. As will be shown presently, incoming infragravity waves more complex than...
1986
Tubular Tidalites: A Biogenic Sedimentary Structure Indicative of Tidally Influenced Sedimentation
Murray K. Gingras, John-Paul Zonneveld
Journal of Sedimentary Research (SEPM)
... on burrow-infilling laminae to identify rhythmic trends in laminae thicknesses, visually fitting sinusoidal curves to the raw thickness distributions...
2015
Milankovitch Period Uncertainties and Their Impact On Cyclostratigraphy
David Waltham
Journal of Sedimentary Research (SEPM)
... be approximated by a sinusoidal signal with a period of 405.6 ky, but this period has a drift generated variation of 2.4 ky. Table 1 shows the principal...
2015
Structural and Stratigraphic Relations of Upper Cretaceous to Lower Tertiary Orogenic Sediments in the Cedar Hills, Utah
William S. Jefferson
Utah Geological Association
... Group, and post-Indianola as shown in Table 1. Table 1. Stratigraphic relations in the Cedar Hills. Sinusoidal lines are disconformities...
1982
Structure and Tectonics of the Northwestern Santa Barbara Basin
Peter J. Fischer
Pacific Section of AAPG
... and south of Point Sal (Fischer, P.J., unpublished report). Note the sinusoidal (S2) fold axes from offshore Point Arguello to about 5 km north...
1998
A Big Fan of Signals? Exploring Autogenic and Allogenic Process and Product In a Numerical Stratigraphic Forward Model of Submarine-Fan Development
Peter M. Burgess, Isabella Masiero, Stephan C. Toby, Robert A. Duller
Journal of Sedimentary Research (SEPM)
... strata despite a simple formulation. Two submarine-fan model scenarios are run, one with constant sediment input, and one with a sinusoidal variation...
2019
Bud feeding in the fossil record: a case study of leaf compressions from the Eocene Geiseltal Fossil Site, Germany
Rebecca N. Dekoster, Lutz Kunzmann, Carola Kunzmann, Victoria E. McCoy
PALAIOS
... is also not symmetric. The left and right sides of the leaf blade are separated by a wide (~ 1 mm) laticiferous midvein that forms a sinusoidal curve...
2025
The Effect of Sealevel Change on the Shelfedge and Slope of Passive Margins
Walter C. Pitman III, Xenia Golovchenko
Special Publications of SEPM
... level sealevel The landscape need not be sinusoidal as shown in Figure 8 Y is the average regional elevation above base level and dY dt is the degradation...
1983
3D Structural and Stratigraphic Frameworks Using Acoustic Impedance Amplitude, and Edge-Enhanced Seismic Volumes
K. D. Kelsch, T. L. Heidrick, Hazairin, J. Randle, D. Moore, G. Schmit, A. Rauf
Indonesian Petroleum Association
... associated with the 21 and 17.5 LSTs and SBs. The ENE-trending sinusoidal meander pattern, morphological character and width/depth dimensions...
1998
Fault Seal Integrity in the Timor Sea Area: Prediction of Trap Failure Using Well-Constrained Stress Tensors and Fault Surfaces Interpreted from 3D Seismic
D. A. Castillo, D. J. Bishop, M. de Ruig
Indonesian Petroleum Association
... wellbore breakouts as indicated by the vertical dark regions of the borehole. Sinusoidal feature on the amplitude and travel-time images are natural...
2002
The Rise and Fall of Eustasy
Christopher G. St. C. Kendall, Ian Lerche
Special Publications of SEPM
... fill to sea level. shelf break, and the most basinward position of the sediment wedge through time. The sinusoidal shape of these curves...
1988
An Entrenched Thalweg Channel on the Rhone Fan: Interpretation from a Seabeam and Seamarc I Survey
Suzanne O. Connell, William R. Normark, William B. F. Ryan, Neil H. Kenyon
Special Publications of SEPM
... or scalloped form in contrast with the abandoned thalweg downstream of the avulsion that exhibits the more typical meandering or sinusoidal form The cusps...
1991